Home / 971,366.16-1,456,918.02-261,436.80

Finding the Fourth Proportional to 971,366.16, 1,456,918.02 and 261,436.80

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Solution

The fourth proportional to 971,366.16, 1,456,918.02 and 261,436.80 is: 392,119.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,366.16 : 1,456,918.02 = 261,436.80 : x
  2. Step 2: Convert to fraction form
    971,366.16/1,456,918.02 = 261,436.80/x
  3. Step 3: Cross multiply
    971,366.16x = 1,456,918.02 × 261,436.80
  4. Step 4: Simplify right side
    971,366.16x = 380,891,985,011.14
  5. Step 5: Solve for x
    x = 380,891,985,011.14/971,366.16
  6. Step 6: Final answer
    x = 392,119.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.